It was a pity that the great writer died _______his works unfinished.

 _________ the lecture going on, the students got more and more interested.

With his eyes ________ the work attentively, he didn’t know what was happening outside.

In autumn, it’s beautiful outside with golden fallen leaves _______ the ground.

 –Come on, please give me some ideas about the project.--- Sorry. With so much work _________my mind, I almost break down.